380697980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 897523200

約数和(自身を除く): 516825220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 149, 155, 260, 298, 310, 317, 403, 596, 620, 634, 745, 806, 1268, 1490, 1585, 1612, 1937, 2015, 2980, 3170, 3874, 4030, 4121, 4619, 6340, 7748, 8060, 8242, 9238, 9685, 9827, 16484, 18476, 19370, 19654, 20605, 23095, 38740, 39308, 41210, 46190, 47233, 49135, 60047, 82420, 92380, 94466, 98270, 120094, 127751, 188932, 196540, 236165, 240188, 255502, 300235, 472330, 511004, 600470, 614029, 638755, 944660, 1200940, 1228058, 1277510, 1464223, 2456116, 2555020, 2928446, 3070145, 5856892, 6140290, 7321115, 12280580, 14642230, 19034899, 29284460, 38069798, 76139596, 95174495, 190348990, 380697980]

約数ペア:

[(1, 380697980), (2, 190348990), (4, 95174495), (5, 76139596), (10, 38069798), (13, 29284460), (20, 19034899), (26, 14642230), (31, 12280580), (52, 7321115), (62, 6140290), (65, 5856892), (124, 3070145), (130, 2928446), (149, 2555020), (155, 2456116), (260, 1464223), (298, 1277510), (310, 1228058), (317, 1200940), (403, 944660), (596, 638755), (620, 614029), (634, 600470), (745, 511004), (806, 472330), (1268, 300235), (1490, 255502), (1585, 240188), (1612, 236165), (1937, 196540), (2015, 188932), (2980, 127751), (3170, 120094), (3874, 98270), (4030, 94466), (4121, 92380), (4619, 82420), (6340, 60047), (7748, 49135), (8060, 47233), (8242, 46190), (9238, 41210), (9685, 39308), (9827, 38740), (16484, 23095), (18476, 20605), (19370, 19654)]